package com.ls.utils;

import java.util.HashMap;
import java.util.LinkedHashMap;

public class LinkedHashMapTest {

	public static void main(String[] args) {
		HashMap<String,String> map = new HashMap<>();
		map.put("b","b");
		map.put("a","a");
		
		map.put("a","a3");
		System.out.println(new LinkedHashMap<>(map));
	}
}
